A long-standing question in social science is to what extent differences in management cause differences in firm performance. To investigate this, the authors ran a management field experiment on large Indian textile firms, providing free consulting on modern management practices to a randomly...

Beginning in 2008, the authors conducted a randomized controlled trial that changed management practices in a set of Indian weaving firms (Bloom et al. 2013). In 2017 the plants were revisited and the authors found three main results. First, while about half of the management practices adopted...

Millions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in...